SWORD25: Remove thumbnails from the cache when saving a new game

engines/sword25/kernel/persistenceservice.cpp

@@ -336,6 +336,9 @@ bool PersistenceService::saveGame(uint slotID, const Common::String &screenshotF
 	// Savegameinformationen für diesen Slot aktualisieren.
 	_impl->readSlotSavegameInformation(slotID);
 
+	// Empty the cache, to remove old thumbnails
+	Kernel::getInstance()->getResourceManager()->emptyThumbnailCache();
+
 	// Erfolg signalisieren.
 	return true;
 }

engines/sword25/kernel/resmanager.cpp

@@ -147,6 +147,21 @@ void ResourceManager::emptyCache() {
 	}
 }
 
+void ResourceManager::emptyThumbnailCache() {
+	// Scan through the resource list
+	Common::List<Resource *>::iterator iter = _resources.begin();
+	while (iter != _resources.end()) {
+		if ((*iter)->getFileName().hasPrefix("/saves")) {
+			// Unlock the thumbnail
+			while ((*iter)->getLockCount() > 0)
+				(*iter)->release();
+			// Delete the thumbnail
+			iter = deleteResource(*iter);
+		} else
+			++iter;
+	}
+}
+
 /**
  * Returns a requested resource. If any error occurs, returns NULL
  * @param FileName      Filename of resource

engines/sword25/kernel/resmanager.h

@@ -81,6 +81,11 @@ public:
 	 **/
 	void emptyCache();
 
+	/**
+	 * Removes all the savegame thumbnails from the cache
+	 **/
+	void emptyThumbnailCache();
+
 	/**
 	 * Writes the names of all currently locked resources to the log file
 	 */